Sea weather in Koloa in Hawaii All the beach weather in Koloa

All the essential weather information for enjoying the beach in Koloa in Hawaii, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Koloa over the next 7 days?

Discover the best moment to go to the beach in Koloa in Hawaii this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Koloa. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Sunday 16 March 202572°F to 74°Frecommended
Monday 17 March 202574°F to 76°Frecommended
Tuesday 18 March 202574°F to 76°Fdiscouraged
Wednesday 19 March 202572°F to 74°Fdiscouraged
Thursday 20 March 202570°F to 74°Fdiscouraged
Friday 21 March 202574°F to 74°Fdiscouraged
Saturday 22 March 202568°F to 74°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Koloa

Sea weather on Sunday 16 March 2025

On Sunday 16 March 2025, the sun will rise at 06:45 and will set at 18:48 on the beach(es) of Koloa. The outside temperature will be a high of 74°F t and a low of 72°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 8.1mph km/h (with gusts up to 12.4mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)22°C (72°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%75%74%70%70%71%69%72%
Barometric pressure1018 hPa1016 hPa1016 hPa1018 hPa1018 hPa1016 hPa1017 hPa1019 hPa
Cloud cover73%14%8%4%5%87%86%17%
Heat index25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point18°C (64°F)18°C (64°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)18°C (65°F)
Wind
Speed9km/h (6mph)7km/h (4mph)6km/h (4mph)9km/h (6mph)13km/h (8mph)10km/h (6mph)12km/h (7mph)12km/h (8mph)
Gusts13km/h (8mph)10km/h (6mph)9km/h (6mph)12km/h (8mph)20km/h (12mph)17km/h (10mph)19km/h (12mph)17km/h (11mph)
Direction 67°
ENE
59°
ENE
66°
ENE
112°
ESE
142°
SE
142°
SE
117°
ESE
96°
E
Wind chill23°C (73°F)23°C (73°F)22°C (72°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)
Waves
Height1.1m (3.5ft)1.1m (3.5ft)1.0m (3.4ft)1.0m (3.4ft)1.0m (3.4ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.5ft)
Direction 101°
E
99°
E
98°
E
97°
E
94°
E
87°
E
84°
E
82°
E
Period7.8 sec.7.8 sec.7.7 sec.7.7 sec.7.5 sec.7.5 sec.7.5 sec.7.4 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Monday 17 March 2025

On Monday 17 March 2025, the sun will rise at 06:44 and will set at 18:48 on the beach(es) of Koloa. The outside temperature will be a high of 76°F t and a low of 74°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 6.2mph km/h (with gusts up to 9.3mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (73°F)23°C (73°F)24°C (74°F)24°C (75°F)24°C (74°F)23°C (73°F)24°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)26°C (78°F)25°C (78°F)25°C (77°F)25°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%72%73%70%66%65%68%77%
Barometric pressure1019 hPa1017 hPa1018 hPa1020 hPa1020 hPa1018 hPa1019 hPa1021 hPa
Cloud cover19%76%24%81%75%76%82%86%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)26°C (78°F)25°C (78°F)25°C (77°F)25°C (78°F)
Dew point18°C (64°F)17°C (63°F)18°C (64°F)18°C (64°F)17°C (63°F)17°C (62°F)17°C (62°F)19°C (67°F)
Wind
Speed9km/h (5mph)9km/h (5mph)10km/h (6mph)9km/h (5mph)8km/h (5mph)3km/h (2mph)3km/h (2mph)8km/h (5mph)
Gusts12km/h (8mph)13km/h (8mph)15km/h (9mph)12km/h (7mph)12km/h (7mph)4km/h (2mph)5km/h (3mph)11km/h (7mph)
Direction 71°
ENE
50°
NE
54°
NE
67°
ENE
117°
ESE
148°
SSE
346°
NNW
13°
NNE
Wind chill23°C (74°F)23°C (73°F)23°C (73°F)24°C (74°F)24°C (75°F)24°C (74°F)23°C (73°F)24°C (74°F)
Waves
Height1.1m (3.5ft)1.1m (3.6ft)1.1m (3.7ft)1.1m (3.7ft)1.1m (3.7ft)1.1m (3.8ft)1.2m (3.8ft)1.2m (3.8ft)
Direction 82°
E
82°
E
83°
E
83°
E
86°
E
87°
E
87°
E
90°
E
Period7.4 sec.7.4 sec.7.5 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Tuesday 18 March 2025

On Tuesday 18 March 2025, the sun will rise at 06:43 and will set at 18:48 on the beach(es) of Koloa. The outside temperature will be a high of 76°F t and a low of 74°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 16.2mph km/h (with gusts up to 24.2mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%79%79%77%76%77%77%80%
Barometric pressure1021 hPa1019 hPa1020 hPa1021 hPa1021 hPa1019 hPa1019 hPa1022 hPa
Cloud cover9%51%59%53%79%73%27%70%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point20°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (67°F)
Wind
Speed13km/h (8mph)19km/h (12mph)21km/h (13mph)20km/h (13mph)21km/h (13mph)23km/h (14mph)26km/h (16mph)25km/h (16mph)
Gusts19km/h (12mph)26km/h (16mph)29km/h (18mph)27km/h (17mph)30km/h (19mph)34km/h (21mph)39km/h (24mph)36km/h (22mph)
Direction 36°
NE
69°
ENE
66°
ENE
66°
ENE
77°
ENE
72°
ENE
63°
ENE
62°
ENE
Wind chill23°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)
Waves
Height1.2m (3.9ft)1.2m (4.0ft)1.2m (4.0ft)1.2m (4.0ft)1.2m (3.9ft)1.2m (3.8ft)1.1m (3.8ft)1.2m (3.9ft)
Direction 93°
E
96°
E
98°
E
97°
E
96°
E
97°
E
97°
E
95°
E
Period7.5 sec.7.4 sec.7.4 sec.7.3 sec.7.2 sec.7.0 sec.6.9 sec.6.6 sec.
Significant height1.1m (3.6ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Wednesday 19 March 2025

On Wednesday 19 March 2025, the sun will rise at 06:42 and will set at 18:49 on the beach(es) of Koloa. The outside temperature will be a high of 74°F t and a low of 72°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 17.4mph km/h (with gusts up to 24.9mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%80%80%78%75%76%78%81%
Barometric pressure1021 hPa1020 hPa1020 hPa1021 hPa1021 hPa1019 hPa1019 hPa1022 hPa
Cloud cover55%58%62%60%79%71%81%72%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (66°F)19°C (65°F)19°C (66°F)19°C (66°F)
Wind
Speed27km/h (17mph)24km/h (15mph)26km/h (16mph)28km/h (17mph)28km/h (17mph)26km/h (16mph)26km/h (16mph)26km/h (16mph)
Gusts37km/h (23mph)33km/h (21mph)36km/h (22mph)38km/h (24mph)39km/h (24mph)37km/h (23mph)40km/h (25mph)37km/h (23mph)
Direction 71°
ENE
67°
ENE
66°
ENE
70°
ENE
74°
ENE
74°
ENE
65°
ENE
66°
ENE
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)
Waves
Height1.2m (4.0ft)1.2m (4.0ft)1.2m (4.0ft)1.2m (3.9ft)1.2m (4.0ft)1.3m (4.2ft)1.3m (4.4ft)1.3m (4.4ft)
Direction 95°
E
97°
E
98°
E
98°
E
97°
E
96°
E
94°
E
97°
E
Period7.3 sec.7.4 sec.7.3 sec.7.1 sec.7.0 sec.6.9 sec.7.4 sec.7.4 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Thursday 20 March 2025

On Thursday 20 March 2025, the sun will rise at 06:41 and will set at 18:49 on the beach(es) of Koloa. The outside temperature will be a high of 74°F t and a low of 70°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 18mph km/h (with gusts up to 25.5mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)21°C (69°F)22°C (72°F)23°C (73°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)21°C (69°F)25°C (76°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%80%79%75%74%73%77%77%
Barometric pressure1021 hPa1020 hPa1020 hPa1021 hPa1021 hPa1019 hPa1019 hPa1021 hPa
Cloud cover73%74%75%27%70%83%84%7%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)21°C (69°F)25°C (76°F)25°C (77°F)
Dew point19°C (67°F)19°C (66°F)19°C (66°F)18°C (65°F)18°C (65°F)16°C (60°F)18°C (64°F)19°C (65°F)
Wind
Speed29km/h (18mph)26km/h (16mph)27km/h (17mph)28km/h (17mph)29km/h (18mph)28km/h (17mph)29km/h (18mph)26km/h (16mph)
Gusts40km/h (25mph)36km/h (22mph)38km/h (24mph)37km/h (23mph)41km/h (25mph)31km/h (19mph)34km/h (21mph)37km/h (23mph)
Direction 70°
ENE
65°
ENE
59°
ENE
62°
ENE
72°
ENE
66°
ENE
67°
ENE
60°
ENE
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)21°C (69°F)22°C (72°F)23°C (73°F)
Waves
Height1.4m (4.5ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.2ft)1.3m (4.1ft)1.7m (5.6ft)1.7m (5.6ft)1.8m (5.9ft)
Direction 99°
E
101°
ESE
105°
ESE
108°
ESE
109°
ESE
250°
WSW
277°
W
270°
W
Period7.4 sec.7.5 sec.7.4 sec.7.5 sec.7.3 sec.12.1 sec.12.0 sec.11.9 sec.
Significant height1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather on Friday 21 March 2025

On Friday 21 March 2025, the sun will rise at 06:40 and will set at 18:49 on the beach(es) of Koloa. The outside temperature will be a high of 74°F t and a low of 74°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 17.4mph km/h (with gusts up to 27.3mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%77%78%76%74%74%78%81%
Barometric pressure1020 hPa1020 hPa1020 hPa1021 hPa1020 hPa1019 hPa1019 hPa1021 hPa
Cloud cover37%22%26%30%20%8%23%50%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point19°C (66°F)18°C (65°F)19°C (65°F)19°C (65°F)18°C (65°F)18°C (64°F)19°C (66°F)20°C (67°F)
Wind
Speed26km/h (16mph)25km/h (16mph)26km/h (16mph)26km/h (16mph)27km/h (17mph)27km/h (17mph)26km/h (16mph)28km/h (17mph)
Gusts36km/h (22mph)35km/h (21mph)36km/h (22mph)35km/h (22mph)40km/h (25mph)44km/h (27mph)40km/h (25mph)40km/h (25mph)
Direction 66°
ENE
61°
ENE
61°
ENE
68°
ENE
70°
ENE
71°
ENE
68°
ENE
71°
ENE
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)
Waves
Height1.8m (5.9ft)1.8m (5.9ft)1.9m (6.2ft)1.9m (6.2ft)1.8m (5.9ft)1.7m (5.6ft)1.9m (6.2ft)2.0m (6.6ft)
Direction 281°
WNW
308°
NW
308°
NW
306°
NW
309°
NW
307°
NW
301°
WNW
306°
NW
Period11.8 sec.11.6 sec.13.7 sec.18.1 sec.17.7 sec.17.3 sec.16.3 sec.16.1 sec.
Significant height1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature23°C (73°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather on Saturday 22 March 2025

On Saturday 22 March 2025, the sun will rise at 06:39 and will set at 18:50 on the beach(es) of Koloa. The outside temperature will be a high of 74°F t and a low of 68°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 19.3mph km/h (with gusts up to 27.3mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)21°C (69°F)21°C (70°F)23°C (73°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)24°C (75°F)21°C (69°F)21°C (70°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%75%75%73%69%69%69%72%
Barometric pressure1021 hPa1020 hPa1020 hPa1020 hPa1020 hPa1018 hPa1017 hPa1018 hPa
Cloud cover60%43%17%24%19%0%1%4%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)24°C (75°F)21°C (69°F)22°C (71°F)25°C (77°F)
Dew point19°C (66°F)18°C (65°F)18°C (64°F)18°C (64°F)17°C (62°F)15°C (58°F)15°C (59°F)18°C (64°F)
Wind
Speed31km/h (19mph)28km/h (17mph)23km/h (15mph)24km/h (15mph)24km/h (15mph)24km/h (15mph)20km/h (12mph)19km/h (12mph)
Gusts44km/h (27mph)38km/h (23mph)32km/h (20mph)33km/h (21mph)33km/h (21mph)29km/h (18mph)23km/h (15mph)27km/h (17mph)
Direction 75°
ENE
75°
ENE
76°
ENE
76°
ENE
81°
E
81°
E
79°
E
66°
ENE
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)21°C (69°F)21°C (70°F)23°C (73°F)
Waves
Height1.9m (6.2ft)1.9m (6.2ft)2.0m (6.6ft)2.0m (6.6ft)1.9m (6.2ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)
Direction 304°
WNW
300°
WNW
304°
NW
304°
NW
303°
WNW
302°
WNW
301°
WNW
301°
WNW
Period15.8 sec.15.1 sec.14.7 sec.14.6 sec.14.2 sec.13.5 sec.13.3 sec.13.3 sec.
Significant height1.0m (3.3ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.0m (3.3ft)0.8m (2.6ft)1.0m (3.3ft)1.1m (3.6ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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